private void OnMainComboBoxSelectionChanged(object sender, SelectionChangedEventArgs e)
{
var selected = e.AddedItems[0] as ComboItem;
RefreshMainComboListItem(selected);
SubComboBox.SelectedIndex = 0;
RefreshSubComboListItem(ComboItem.All);
ListView.Dispatcher.Invoke(new Action(() => ListView.Items.Refresh()));
SubComboList.Clear();
SubComboList.Add(ComboItem.All);
if (!selected.IsSpecial)
{
var subcategory = (selected.Value as L4D2Type.Category).Children;
if (subcategory != null && subcategory.Count > 0)
{
foreach (var v in subcategory)
{
SubComboList.Add(new ComboItem(v, v));
}
SubComboList.Add(ComboItem.Uncategorized);
SubComboList.Add(ComboItem.IgnoreList);
SubComboList.Add(ComboItem.Conflicted);
}
}
SubComboBox.Items.Refresh();
}
private void LoadComboItem()
{
MainComboList.Clear();
MainComboList.Add(ComboItem.All);
foreach (var v in L4D2Type.GetCategory())
{
MainComboList.Add(new ComboItem(v, v));
}
MainComboList.Add(ComboItem.Uncategorized);
MainComboList.Add(ComboItem.IgnoreList);
MainComboList.Add(ComboItem.Conflicted);
SubComboList.Clear();
SubComboList.Add(ComboItem.All);
MainComboBox.SelectedIndex = 0;
SubComboBox.SelectedIndex = 0;
MainComboBox.Items.Refresh();
SubComboBox.Items.Refresh();
}
public void Refresh()
{
object selectedItemMain = null;
object selectedItemSub = null;
var selectedMain = MainComboBox.SelectedItem as ComboItem;
if (selectedMain != null)
{
selectedItemMain = selectedMain.Category;
var selectedSub = SubComboBox.SelectedItem as ComboItem;
if (selectedSub != null)
{
selectedItemSub = selectedSub.Category;
}
}
LoadComboItem();
Func <ComboBox, object, ComboItem> FindCategoryInItem = (combo, category) =>
{
foreach (var item in combo.Items)
{
if (item is ComboItem)
{
if ((item as ComboItem).Category == category)
{
return(item as ComboItem);
}
}
}
return(null);
};
if (selectedItemMain != null)
{
var findMain = FindCategoryInItem(MainComboBox, selectedItemMain);
if (findMain != null)
{
MainComboBox.SelectedItem = findMain;
SubComboList.Clear();
SubComboList.Add(ComboItem.All);
if (!findMain.IsSpecial)
{
var subcategory = (findMain.Category as L4D2Type.Category).Children;
if (subcategory != null && subcategory.Count > 0)
{
foreach (var v in subcategory)
{
SubComboList.Add(new ComboItem(v, v));
}
SubComboList.Add(ComboItem.Uncategorized);
SubComboList.Add(ComboItem.IgnoreList);
SubComboList.Add(ComboItem.Conflicted);
}
}
if (selectedItemSub != null)
{
var findSub = FindCategoryInItem(SubComboBox, selectedItemSub);
if (findSub != null)
{
SubComboBox.SelectedItem = findSub;
}
}
}
}
MainComboBox.Items.Refresh();
SubComboBox.Items.Refresh();
}